the vice president said that, yesterday, that president obama could use executive order to get some of these things done. does he need that to have universal background checks or to do something else that vice president biden said today they wanted to do, which was to ban those high-capacity magazines? >> reporter: that's what's fascinating. very much an about-face, erin. these two proposals that the vice president mentioned today could not be done through executive order, they have to be done through congress. somewhat of a different message coming out of the vice president today. these specific proposals would need to go through congress. >> thanks very much to john avalon. >>> former white house deputy press secretary bill burton and co-fonder of priorities usa, a pro-obama super pac, joins me along with tim carney. bill, the vice president came out yesterday and said, we're going to use executive order if we need to. that really riled a lot of people up. executive order, you guys aren't going to get it done, we're going to do it. we just heard john avalon say, look, those ideas are